Power 5
Calculus
Level
4
\[ \sum_{n=1}^ \infty \frac{ { n }^{ 5 }}{ 3^n } = X\]
\(X\) can be expressed in the form \( \dfrac{a}{b} \), where \(a\) and \(b\) are coprime positive integers. Find \( a + b \).
by
saharsh rathi